package org.springblade.demo.controller;

import io.micrometer.core.lang.Nullable;
import io.swagger.annotations.ApiModel;

import io.swagger.annotations.ApiModelProperty;
import lombok.*;
import org.springblade.core.tool.api.IResultCode;
import org.springblade.core.tool.api.ResultCode;
import org.springblade.core.tool.constant.BladeConstant;
import org.springblade.core.tool.utils.ObjectUtil;

import javax.servlet.http.HttpServletResponse;
import java.io.Serializable;
import java.util.Optional;

import static io.undertow.util.Headers.AGE;

@Getter
@Setter
@ToString
@ApiModel(description = "返回信息")
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class R<T> implements Serializable {
	private static final long serialVersionUID = 1L;
	@ApiModelProperty(value = "状态码", required = true)
	private int code;
	@ApiModelProperty(value = "是否成功", required = true)
	private boolean success;
	@ApiModelProperty(value = "承载数据")
	private T data;
	@ApiModelProperty(value = "返回消息", required = true)
	private String msg;
	private R(IResultCode resultCode) {
		this(resultCode, null, resultCode.getMessage());
	}
	private R(IResultCode resultCode, String msg) {
		this(resultCode, null, msg);
	}
	private R(IResultCode resultCode, T data) {
		this(resultCode, data, resultCode.getMessage());
	}
	private R(IResultCode resultCode, T data, String msg) {
		this(resultCode.getCode(), data, msg);
	}
	private R(int code, T data, String msg) {
		this.code = code;
		this.data = data;
		this.msg = msg;
		this.success = ResultCode.SUCCESS.getCode() == code;
	}
	/**
	 * 判断返回是否为成功
	 *
	 * @param result Result
	 * @return 是否成功
	 */
	public static boolean isSuccess(@Nullable R<?> result) {
		return Optional.ofNullable(result)
			.map(x -> ObjectUtil.nullSafeEquals(ResultCode.SUCCESS.getCode(), x.code))
			.orElse(Boolean.FALSE);
	}
	/**
	 * 判断返回是否为成功
	 *
	 * @param result Result
	 * @return 是否成功
	 */
	public static boolean isNotSuccess(@Nullable R<?> result) {
		return !R.isSuccess(result);
	}
	/**
	 * 返回R
	 *
	 * @param data 数据
	 * @param <T> T 泛型标记
	 * @return R
	 */
	public static <T> R<T> data(T data) {
		return data(data, BladeConstant.DEFAULT_SUCCESS_MESSAGE);
	}

	public static <T> R<T> data(T data, String msg) {
		return data(HttpServletResponse.SC_OK, data, msg);
	}
	/**
	 * 返回R
	 *
	 * @param code 状态码
	 * @param data 数据
	 * @param msg 消息
	 * @param <T> T 泛型标记
	 * @return R
	 */
	public static <T> R<T> data(int code, T data, String msg) {
		return new R<>(code, data, data == null ? BladeConstant.DEFAULT_NULL_MESSAGE : msg);
	}
	/**
	 * 返回R
	 *
	 * @param msg 消息
	 * @param <T> T 泛型标记
	 * @return R
	 */
	public static <T> R<T> success(String msg) {
		return new R<>(ResultCode.SUCCESS, msg);
	}
	/**
	 * 返回R
	 *
	 * @param resultCode 业务代码
	 * @param <T> T 泛型标记
	 * @return R
	 */
	public static <T> R<T> success(IResultCode resultCode) {
		return new R<>(resultCode);
	}
	/**
	 * 返回R
	 *
	 * @param resultCode 业务代码
	 * @param msg 消息
	 * @param <T> T 泛型标记
	 * @return R
	3.4 API响应结果
	本文档使用 看云 构建 - 205 -*/
	public static <T> R<T> success(IResultCode resultCode, String msg) {
		return new R<>(resultCode, msg);
	}
	/**
	 * 返回R
	 *
	 * @param msg 消息
	 * @param <T> T 泛型标记
	 * @return R
	 */
	public static <T> R<T> failure(String msg) {
		return new R<>(ResultCode.FAILURE, msg);
	}
	/**
	 * 返回R
	 *
	 * @param code 状态码
	 * @param msg 消息
	 * @param <T> T 泛型标记
	 * @return R
	 */
	public static <T> R<T> failure(int code, String msg) {
		return new R<>(code, null, msg);
	}
	/**
	 * 返回R
	 *
	 * @param resultCode 业务代码
	 * @param <T> T 泛型标记
	 * @return R
	 */
	public static <T> R<T> failure(IResultCode resultCode) {
		return new R<>(resultCode);
	}
	/**
	 * 返回R
	 *
	 * @param resultCode 业务代码
	 * @param msg 消息
	 * @param <T> T 泛型标记
	 * @return R
	 */
	public static <T> R<T> failure(IResultCode resultCode, String msg) {
		return new R<>(resultCode, msg);
		}
	/**
	 * 返回R
	 *
	 * @param flag 成功状态
	 * @return R
	 */
	public static R status(boolean flag) {
		return flag ? success(BladeConstant.DEFAULT_SUCCESS_MESSAGE) : failure(BladeConstant.DEFAULT_FAILURE_MESSAGE);
	}
}
